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김하늘

Su-wan

권상우

Ji-hoon

김지우

Ho-kyeong

공유

Jong-soo

백일섭

Ji-hoon's Father

김혜옥

Ji-hoon's Mother

김자옥

Su-wan's Mother

Lee Sung-jin

Si-kyung

서동원

Chang-hee

박효준

Hyeok-jae